.alert-mask {
  position: fixed;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1004;
  overflow: hidden;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-transition: opacity 0.25s linear 0s;
  transition: opacity 0.25s linear 0s;
}

.alert-mask .alert {
  width: 78.667vw;
  background: #FFFFFF;
  border-radius: 2.133vw;
  text-align: center;
  -webkit-transition: -webkit-transform 0.25s linear 0s;
  transition: -webkit-transform 0.25s linear 0s;
  transition: transform 0.25s linear 0s;
  transition: transform 0.25s linear 0s, -webkit-transform 0.25s linear 0s;
  content: 'viewport-units-buggyfill; width: 78.667vw; border-radius: 2.133vw';
}

.alert-mask .alert .title {
  padding: 0 5.333vw;
  min-height: 25.6vw;
  font-size: 4.267vw;
  font-family: VarelaRound-Regular;
  color: #676c75;
  line-height: 6.4vw;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  border-bottom: 0.267vw solid #e7e8ea;
  content: 'viewport-units-buggyfill; padding: 0 5.333vw; min-height: 25.6vw; font-size: 4.267vw; line-height: 6.4vw; border-bottom: 0.267vw solid #e7e8ea';
}

.alert-mask .alert .button {
  min-height: 15.2vw;
  font-size: 4.8vw;
  font-family: PingFangSC-Medium;
  color: #32cdff;
  line-height: 6.667vw;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
          content: 'viewport-units-buggyfill; min-height: 15.2vw; font-size: 4.8vw; line-height: 6.667vw';
}

.alert-mask .alert.show {
  -webkit-transform: scale(1);
          transform: scale(1);
}

.alert-mask .alert.hidden {
  -webkit-transform: scale(0);
          transform: scale(0);
}

.alert-mask.show {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  opacity: 1;
}

.alert-mask.hidden {
  display: none;
  opacity: 0;
}
